!20 [sync] PR-16: delete redundant files

From: @openeuler-sync-bot 
Reviewed-by: @sunsuwan 
Signed-off-by: @sunsuwan

libnet.spec

@@ -1,6 +1,6 @@
 Name:           libnet
 Version:        1.3
-Release:        1
+Release:        2
 Summary:        A C library to help with construction and handling of network packets
 License:        BSD-2-Clause and BSD-3-Clause
 URL:            https://github.com/libnet/libnet
@@ -57,7 +57,6 @@ rm -f doc/html/Makefile*
 %{_libdir}/%{name}.so.*
 
 %files devel
-%doc __dist_sample/sample/
 %{_libdir}/%{name}.so
 %{_libdir}/pkgconfig/%{name}.pc
 %{_bindir}/%{name}-config
@@ -72,6 +71,9 @@ rm -f doc/html/Makefile*
 %{_mandir}/man3/%{name}*.3*
 
 %changelog
+* Wed Jun 05 2024 zhangpan <zhangpan103@h-partners.com> - 1.3-2
+- delete redundant files
+
 * Wed Dec 27 2023 lvgenggeng <lvgenggeng@uniontech.com> - 1.3-1
 - Update to version 1.3